ttl: fix the issue that one task losing heartbeat will block other tasks

[YangKeao]

What problem does this PR solve?

Issue Number: close #57915

Problem Summary:

If one task failed to update heartbeat, the other tasks will not be tried. It's not expected.

What changed and how does it work?

Print an error and continue to try other tasks.

This PR also adapts the same change for job.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Release note

None

[YangKeao]

/check-issue-triage-complete

[codecov]

Codecov Report

Attention: Patch coverage is 76.47059% with 12 lines in your changes missing coverage. Please review.

Project coverage is 73.8984%. Comparing base (ec5b26e) to head (1916dcb).
Report is 412 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #57919        +/-   ##
================================================
+ Coverage   73.1711%   73.8984%   +0.7273%     
================================================
  Files          1671       1673         +2     
  Lines        460675     463835      +3160     
================================================
+ Hits         337081     342767      +5686     
+ Misses       102850     100448      -2402     
+ Partials      20744      20620       -124     

Flag	Coverage Δ
integration	43.5375% <7.8431%> (?)
unit	72.6821% <76.4705%> (+0.3787%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	56.0779% <ø> (+3.3106%)	⬆️
parser	∅ <ø> (∅)
br	45.5094% <ø> (-0.4979%)	⬇️

[zimulala]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lcwangchao, zimulala

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-03 08:26:02.127006824 +0000 UTC m=+1143349.746661402: ☑️ agreed by lcwangchao.
• 2024-12-04 08:58:13.697220013 +0000 UTC m=+1231681.316874526: ☑️ agreed by zimulala.

[ti-chi-bot]

@YangKeao: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/unit-test	1916dcb	link	unknown	/test unit-test

Full PR test history. Your PR dashboard.

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.5: #58710.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #59390.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #59391.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #59392.
But this PR has conflicts, please resolve them!